CompletedNot Applicable

Examining the Link Between Depression and Seasonal Allergies

United States100 participantsStarted 2006-07-15

Plain-language summary

This study will examine whether spring and fall seasonal depression in individuals with high sensitivity to pollen is linked to seasonal increases in tree and ragweed pollen.

Who can participate

Age range18 Years – 64 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Diagnosis of major depressive disorder or bipolar disorder Exclusion Criteria: * Pregnancy or intention to become pregnant within the duration of the study * Dependence on alcohol, cocaine, stimulants, benzodiazepines, marijuana, or opiates * Major medical illness, including cancer, hepatitis, and autoimmune disease * A winter subtype of seasonal affective disorder * Diagnosis of psychotic disorder * Positive result in Phadiatop allergy test, but negative result in tree or ragweed pollen IgE test

What they're measuring

Hamilton Rating Scale for Depression-Seasonal Affective Disorder Version (SIGH-SAD)

Timeframe: Measured before and then during the peak fall or spring pollen period

Trial details

NCT IDNCT00770068

SponsorUniversity of Maryland, Baltimore

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2017-04-11

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